#define NUM 5
#define C_NUM 4
int a[NUM+1];
int b[]={0,2,3,5,7};
main()//唐子豪
{
    int i,not_finish=1;
    i=2;
    a[1]=1;
    while(not_finish){
        while(not_finish&&i<=NUM)
        if(a[i]>=C_NUM)
            if(i==1&&a[1]==C_NUM)
                not_finish=0;
            else a[i--]=0;
        else a[i++]++;
        if(not_finish){
            long int sum1,sum2,sum3,sum4;
            sum1=b[a[1]]*100+b[a[2]]*10+b[a[3]];
            sum2=sum1*b[a[5]];
            sum3=sum1*b[a[4]];
            if(sum>=2222&&sum2<=7777&&(sum2)&&sum3>=2222&&sum3<=7777&&f(sum3))
                if((sum4=sum2+sum3*10)>=22222&&sum4<=77777&&f(sum4)){
                    printf(" %d\n",sum1);
                    printf("* %d%d\n",b[a[4]],b[a[5]]);
                    printf("................\n");
                    printf(" %d\n",sum2);
                    printf(" %d\n",sum3);
                    printf("................\n");
                    printf(" %d\n",sum4);
                }
            i=NUM; 
        }
    }
}
f(sum)
    long sum;
{
    int i,k,flag;
    while(sum>0){
        i=sum%10;
        for(flag=0,k=1;!flag&&k<=C_NUM;k++)
            if(b[k]==i){ flag=1;break;}
        if(!flag)   return(0);
        else sum=sum/10;
    }
    return (1);
}